IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1996MO179033M
  • User Pedon ID: 1996MO179033M
  • User Site Association ID: 8639
  • Transect:
  • User Transect ID - reynolds-80D2
  • Transect Stop Number - 6
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9617933
  • NCSS Pedon Lab Data NASIS Record ID - 26873
  • Print Date: 2/3/2025

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 37.4774361
  • Std. Longitude: -90.9419528
  • Datum: WGS84
  • Map Unit: 80D—Poynor-Clarksville-Scholten complex, 8 to 15 percent slopes, stony73139—Poynor-Clarksville-Scholten complex, 8 to 15 percent slopes, stony
  • State: Missouri
  • County: MO179—Reynolds
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO179—Reynolds County, Missouri
  • 7.5 Minute USGS Quad: 37090-D8—Centerville, Missouri

    • PEDON

  • Describers Name: BM & LT
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Clarksville
  • PSC - 25 to 75 cm.
  • Classificaton Date - 12/10/2010
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Clarksville
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 25 to 75 cm.
  • Classificaton Date - 6/25/1996
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 33 percent of Percent clay in the control section and 40 Percent rock fragments in the control section (vol) and 33 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: slope alluvium derived from dolomite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/25/1996 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—10

    25—155

    —-

    —-
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    6

    —

    —

    311

    —

    280

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 5/3) very gravelly silt loam; weak fine granular structure; friable; 7.0 fine and medium roots; 7.0 fine interstitial and tubular pores; 45 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU012566
    E—10 to 25 centimeters (3.9 to 9.8 inches); pale brown (10YR 6/3) very gravelly silt loam; friable; 7.0 fine and medium roots and 3.0 coarse roots; 7.0 medium tubular and 7.0 fine tubular pores; 35 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on faces of peds; 35 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU012567
    Bt1—25 to 48 centimeters (9.8 to 18.9 inches); pale brown (10YR 6/3) gravelly silt loam; weak fine subangular blocky structure; friable; 7.0 fine and medium roots and 3.0 coarse roots; 7.0 medium tubular and 7.0 fine tubular pores; 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds; 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU012568
    Bt2—48 to 66 centimeters (18.9 to 26.0 inches); yellowish brown (10YR 5/4) very gravelly loam; weak fine subangular blocky structure; firm; 0.1 medium roots and 0.9 fine roots; 7.0 fine tubular pores; 15 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds and 35 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds and 35 percent distinct yellowish red (5YR 5/6), moist, clay films on faces of peds; 45 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU012569
    Bt3—66 to 97 centimeters (26.0 to 38.2 inches); 80 percent strong brown (7.5YR 5/6) and 20 percent red (2.5YR 4/6) very gravelly clay loam; weak fine subangular blocky structure; firm; 0.1 medium roots and 0.9 fine roots; 0.9 medium tubular and 3.0 fine tubular pores; 35 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds and 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 75 percent prominent pale brown (10YR 6/3), moist, pressure faces on faces of peds; 2 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments and 50 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU012570
    2Bt4—97 to 124 centimeters (38.2 to 48.8 inches); 90 percent red (2.5YR 5/6) and 10 percent light yellowish brown (10YR 6/4) very gravelly clay; weak fine subangular blocky structure; firm; 0.1 medium roots and 0.9 fine roots; 3.0 fine tubular pores; 15 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 15 percent distinct reddish brown (5YR 5/4), moist, clay films on faces of peds and 35 percent distinct red (2.5YR 4/8), moist, clay films on faces of peds; 10 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU012571
    2Bt5—124 to 155 centimeters (48.8 to 61.0 inches); red (2.5YR 5/8) extremely gravelly clay; weak fine subangular blocky structure; firm; 0.1 fine roots; 3.0 fine tubular pores; 15 percent distinct grayish brown (10YR 5/2), moist, clay films on rock fragments and 35 percent distinct red (2.5YR 4/8), moist, clay films on rock fragments and 35 percent distinct red (2.5YR 4/6), moist, clay films on rock fragments; 60 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU012572